Carbon percentage in medium carbon steel is around

Question: The amount of combustible escaping uncon-sumed from the furnace, depends upon the
[A].

air supplied and furnace temperature.

[B].

burner design (thoroughness of mixing versus stratification).

[C].

air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction).

[D].

all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.